EntityEditModel.EditableEntity.Exists

All Superinterfaces:: Observer<Boolean>, StateObserver, ValueObserver<Boolean>

Enclosing interface:: EntityEditModel.EditableEntity

public static interface EntityEditModel.EditableEntity.Exists extends StateObserver

Indicates whether the active entity exists in the database.

See Also:

predicate()

Method Summary

Modifier and Type

Method

Description

Value<Predicate<Entity>>

predicate()

Controls the 'exists' predicate for this EntityEditModel.EditableEntity.Exists instance, which is responsible for providing the exists state of the underlying entity.

Methods inherited from interface is.codion.common.observer.Observer
addConsumer, addListener, addWeakConsumer, addWeakListener, removeConsumer, removeListener, removeWeakConsumer, removeWeakListener

Methods inherited from interface is.codion.common.state.StateObserver
isNotNull, isNull, not, nullable

Methods inherited from interface is.codion.common.value.ValueObserver
get, isEqualTo, isNotEqualTo, optional

Method Details
- predicate
  
  Value<Predicate<Entity>> predicate()
  
  Controls the 'exists' predicate for this EntityEditModel.EditableEntity.Exists instance, which is responsible for providing the exists state of the underlying entity.
  Returns:
  
  the Value controlling the predicate used to check if the entity exists
  
  See Also:
  
  EntityDefinition.exists()
  
  Entity.exists()